Added python unittest2 integration tests

Initially took the minitest/ruby approach, but Rye doesn't handle
our ssh args very well.  Decided to use python since the subprocess
module is amazeballs, and has fewer system requirements.
Missed a leading $
We don't need to test for memcached overriding
Removed the license attribution per review
Merge pull request #49 from blueboxgroup/unittest

Added python unittest2 integration tests